None
1,030
2
814
1
1,177
4
837
957
1,509
2,333
3
1,456
1,423
921
820
914
917
1,210
1,984
1,403
6
858
6,514
12
6,304
11,792
18
5,972
7
5,919
6,475
8,517
8
10,797
10
58,367
20